Confidence:StrongSolidPlausibleTentativeSpeculative

• The Legend of Yangchen // Avatar Yangchen

  3WW

  Enchantment — Saga // Legendary Creature — AvatarW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Ajani, Nacatl Pariah // Ajani, Nacatl Avenger

  1W

  Legendary Creature — Cat Warrior // Legendary Planeswalker — AjaniRW

  Cresting Mosasaurus bounces a permanent, enabling Ajani, Nacatl Pariah's recast / spell-cast trigger.
• Agrus Kos, Spirit of Justice

  2RW

  Legendary Creature — Spirit DetectiveRW

  Cresting Mosasaurus bounces a permanent, enabling Agrus Kos, Spirit of Justice's recast / spell-cast trigger.
• Phlage, Titan of Fire's Fury

  1RW

  Legendary Creature — Elder GiantRW

  Cresting Mosasaurus bounces a permanent, enabling Phlage, Titan of Fire's Fury's recast / spell-cast trigger.
• Odric, Blood-Cursed

  1RW

  Legendary Creature — Vampire SoldierRW

  Cresting Mosasaurus bounces a permanent, enabling Odric, Blood-Cursed's recast / spell-cast trigger.
• Emeritus of Truce // Swords to Plowshares

  1WWW

  Creature — Cat Cleric // InstantW

  Cresting Mosasaurus bounces a permanent, enabling Emeritus of Truce's recast / spell-cast trigger.
• Season of Growth

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Serene Sleuth

  1W

  Creature — Human DetectiveW

  Cresting Mosasaurus bounces a permanent, enabling Serene Sleuth's recast / spell-cast trigger.
• Wildfire Devils

  3R

  Creature — DevilR

  Cresting Mosasaurus bounces a permanent, enabling Wildfire Devils's recast / spell-cast trigger.
• Spreading Plague

  4B

  EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Solitude

  3WW

  Creature — Elemental IncarnationW

  Cresting Mosasaurus bounces a permanent, enabling Solitude's recast / spell-cast trigger.
• Uro, Titan of Nature's Wrath

  1GU

  Legendary Creature — Elder GiantGU

  Cresting Mosasaurus bounces a permanent, enabling Uro, Titan of Nature's Wrath's recast / spell-cast trigger.
• Orcish Bowmasters

  1B

  Creature — Orc ArcherB

  Cresting Mosasaurus bounces a permanent, enabling Orcish Bowmasters's recast / spell-cast trigger.
• Undermountain Adventurer

  3G

  Creature — Giant WarriorG

  Cresting Mosasaurus bounces a permanent, enabling Undermountain Adventurer's recast / spell-cast trigger.
• Omnath, Locus of Creation

  RGWU

  Legendary Creature — ElementalGRUW

  Cresting Mosasaurus bounces a permanent, enabling Omnath, Locus of Creation's recast / spell-cast trigger.
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Phyrexian Dreadnought

  1

  Artifact Creature — Phyrexian DreadnoughtC

  Cresting Mosasaurus bounces a permanent, enabling Phyrexian Dreadnought's recast / spell-cast trigger.
• Regal Sliver

  3W

  Creature — SliverW

  Cresting Mosasaurus bounces a permanent, enabling Regal Sliver's recast / spell-cast trigger.
• Izoni, Center of the Web

  4BG

  Legendary Creature — Elf DetectiveBG

  Cresting Mosasaurus bounces a permanent, enabling Izoni, Center of the Web's recast / spell-cast trigger.
• Bruse Tarl, Roving Rancher

  2RW

  Legendary Creature — Human WarriorRW

  Cresting Mosasaurus bounces a permanent, enabling Bruse Tarl, Roving Rancher's recast / spell-cast trigger.
• Faramir, Steward of Gondor

  1WU

  Legendary Creature — Human NobleUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Asmodeus the Archfiend

  4BB

  Legendary Creature — Devil GodB

  Asmodeus the Archfiend bounces a permanent, enabling Cresting Mosasaurus's recast / spell-cast trigger.
• Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield

  1U

  Legendary Creature — Merfolk Wizard // Legendary Creature — Merfolk RogueUW

  Cresting Mosasaurus bounces a permanent, enabling Sygg, Wanderwine Wisdom's recast / spell-cast trigger.
• Raven Eagle

  2B

  Creature — Bird AssassinB

  Cresting Mosasaurus bounces a permanent, enabling Raven Eagle's recast / spell-cast trigger.
• Eye of Singularity

  3W

  World EnchantmentW

  Both cards trigger when a creature enters the battlefield — they fire together.